Seeing as smartphone OS do the same thing.... Unless it is an absolute revelutionary feature never seen before... everything is copied from a conceptual [point of view... the Hub for example is not a new concept but more refined than other itterations..... Everything is in essence copied... Microsoft copied icons from Zerrox in the eighty's which was copied to the Mac and on an on to where it is today.....

- swipe up to unlock..
- swipe up for google now
and in general, the gesture implementation... which is obvious and should be there on touch screen phones..
having to press 'back' buttons is weird. loved the swipe gestures implemented in bb10.. everyone should follow.

a lot of that was on kitkat as well. its tweaked a little maybe but its not really copying from bb

Some is but I wouldn't say a lot. Lock screen notifications and swipe up to unlock are new. There are similarities to BB 10. As has been said all the operating systems share and take from one another and I can see BB 10 in lollipop.

- swipe up to unlock..
- swipe up for google now
and in general, the gesture implementation... which is obvious and should be there on touch screen phones..
having to press 'back' buttons is weird. loved the swipe gestures implemented in bb10.. everyone should follow.

Some is but I wouldn't say a lot. Lock screen notifications and swipe up to unlock are new. There are similarities to BB 10. As has been said all the operating systems share and take from one another and I can see BB 10 in lollipop.